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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
PrimitiveServiceModel.java | 100% | 100% | 100% | 100% |
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1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.hivemind.impl.servicemodel; | |
16 | ||
17 | import org.apache.hivemind.impl.ConstructableServicePoint; | |
18 | ||
19 | /** | |
20 | * Implementation of {@link org.apache.hivemind.internal.ServiceModel} for the primitive services | |
21 | * (that do not include the standard deferred instantiation proxy). | |
22 | * | |
23 | * @author Howard Lewis Ship | |
24 | */ | |
25 | public final class PrimitiveServiceModel extends AbstractServiceModelImpl | |
26 | { | |
27 | private Object _constructedService; | |
28 | ||
29 | 386 | public PrimitiveServiceModel(ConstructableServicePoint servicePoint) |
30 | { | |
31 | 386 | super(servicePoint); |
32 | } | |
33 | ||
34 | /** | |
35 | * Constructs the service (the first time this is invoked) and returns it. | |
36 | */ | |
37 | 387 | public synchronized Object getService() |
38 | { | |
39 | 387 | if (_constructedService == null) |
40 | { | |
41 | 386 | _constructedService = constructServiceImplementation(); |
42 | ||
43 | 383 | registerWithShutdownCoordinator(_constructedService); |
44 | } | |
45 | ||
46 | // Note: if the service's declared interface is a class AND | |
47 | // the service has interceptors, then it will not be possible | |
48 | // to cast the result (since the returned interceptor will implement | |
49 | // the synthetic service interface). | |
50 | ||
51 | 384 | return _constructedService; |
52 | } | |
53 | ||
54 | /** | |
55 | * Invokes {@link #getService()} to ensure that the core service implementation has been | |
56 | * instantiated. | |
57 | */ | |
58 | 1 | public void instantiateService() |
59 | { | |
60 | 1 | getService(); |
61 | } | |
62 | ||
63 | } |
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